Compare the three ways to buy

The payment, the cash to close, and what is left to pay

Cash to Close
Assumption

Assumption only

$817/mo
Lowest payment
Down payment
$646,498
Funds due
$661,298
Interest + MI left
$14,781
First ends
Oct 2050
Assumption

Assumption + second

$4,972/mo
+$4,155/mo
Down payment
$66,498
Funds due
$86,366
Interest + MI left
$930,649
First ends
Oct 2050
New loan

New conventional

$4,944/mo
+$4,126/mo
Down payment
$66,498
Funds due
$82,486
Interest + MI left
$899,916
First ends
Jan 2057

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$13,390$13,390$593,390
Second mortgage—$580,000—
First P&I$94.44$94.44$4,108.51
Second P&I—$4,155.19—
Mortgage insurance$6.25$6.25$118.68
Taxes, insurance & HOA$716.58$716.58$716.58
Total housing payment$817.28$4,972.47$4,943.77

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$66,498
Closing costs & prepaids$19,868
Usable credit−$0
Total buyer cash needed$86,366
Earnest money paid−$0
Remaining funds due$86,366
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$6,598.88
Title & settlement$1,825.00
Recording fee$100.00
Second-loan charges$1,250.00
Home insurance (12 months up front)$2,000.00
Insurance escrow (3 months)$500.00
Property tax escrow (3 months)$1,649.75
Prepaid interest, first (31 days)$76.99
Prepaid interest, second (31 days)$3,817.67

Prepaids include a year of home insurance up front, three months of taxes and insurance in escrow, and 31 days of interest to the end of the closing month.

What is left to pay

The seller already paid down the early, interest-heavy years.

Remaining first mortgage at closing23 yr 10 moOf the original 25-year loan at 6.770%
Interest already paid$1,068Through Dec 2026
Assumption only · ends Oct 2050$14,781
Assumption + second · ends Oct 2050, second Jan 2057$930,649
New conventional · ends Jan 2057$899,916